Finding the Fourth Proportional to 1,392.37, 2,085.46 and 952.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,392.37 : 2,085.46 = 952.56 : x
2. Step 2: Convert to fraction form
   1,392.37/2,085.46 = 952.56/x
3. Step 3: Cross multiply
   1,392.37x = 2,085.46 × 952.56
4. Step 4: Simplify right side
   1,392.37x = 1,986,523.40
5. Step 5: Solve for x
   x = 1,986,523.40/1,392.37
6. Step 6: Final answer
   x = 1,426.72